/**
 *
 *  Copyright (c) 2011, AstroDAbis
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without modification,
 *  are permitted provided that the following conditions are met:
 *
 *      * Redistributions of source code must retain the above copyright notice,
 *        this list of conditions and the following disclaimer.
 *      * Redistributions in binary form must reproduce the above copyright notice,
 *        this list of conditions and the following disclaimer in the documentation
 *        and/or other materials provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 *  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 *  OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
package org.jiscinvolve.astrodabis.mallow.control.tags;

import javax.validation.Valid;
import javax.servlet.http.HttpSession;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.context.request.WebRequest;

import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ModelAttribute;

import org.springframework.validation.FieldError;
import org.springframework.validation.BindingResult;

import org.jiscinvolve.astrodabis.mallow.model.api.Tag;
import org.jiscinvolve.astrodabis.mallow.model.api.Account;

import org.jiscinvolve.astrodabis.mallow.control.ViewData;
import org.jiscinvolve.astrodabis.mallow.control.BaseController;
import org.jiscinvolve.astrodabis.mallow.control.NotFoundException;
import org.jiscinvolve.astrodabis.mallow.control.PermissionException;

/**
 * Tag details, using global TID.
 *
 */
@Controller
@RequestMapping("/tags/{tid}")
public class TagDetailsController
extends BaseController
    {

    /**
     * Our debug logger.
     * 
     */
    private static Log log = LogFactory.getLog(TagDetailsController.class);

    /**
     * Protected tag page.
     * 
     */
    public static final String USER_VIEW = "tags/tag-details" ;

    /**
     * Public tag page.
     * 
     */
    public static final String ANON_VIEW = "tags/tag-details" ;

    /**
     * Create the ViewData for this request.
     *
     */
    @ModelAttribute(ViewData.VIEW_DATA)
    public ViewData data(
        WebRequest request,
        @PathVariable("tid") String tid
        ){
        return new ViewData(
            request,
            this.actor(
                request
                ),
            this.tag(
                tid
                )
            );
        }

    /**
     * Tag details page.
     * 
     */
	@RequestMapping(method=RequestMethod.GET)
	public ModelAndView page(
	    @ModelAttribute(ViewData.VIEW_DATA) ViewData data,
	    ModelAndView model
	    ){
        Account actor = data.actor();        
        Tag tag = data.tag();
	    
        log.debug("TagDetailsController.page(....)");
        log.debug(" Actor [" + ((actor != null) ? actor.ident() : null ) + "]");
        log.debug(" Tag   [" + ((tag   != null) ? tag.name()    : null ) + "]");
        //
        // If we are logged in as the Tag owner.
        if ((actor != null) && (actor.ident().equals(tag.owner().ident())))
            {
            model.setViewName(
    		    USER_VIEW
                );
            }
        //
        // If we are not logged in as the owner.
        else {
            model.setViewName(
    		    ANON_VIEW
                );
            }
        return model ;
        }

    }

